Dual Active Galactic Nuclei on 100 kpc Scales from the Million Quasar Catalog
Zhuojun Deng et al 2026 ApJS 283 70 In a sample of 171 new dual active galactic nuclei, four triplets, and one quadruplet drawn from a catalog of nearly a million quasars, researchers find that…
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Arizona researchers and telescope help find oldest quasar on record
Quasars are incredibly bright objects at the center of galaxies, made of black holes eating gas and dust.
The earliest quasars yet observed are shedding light on the infancy of our cosmos
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Telescope spots most distant quasars ever discovered
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This doubles the number of these super-distant beasts previously known
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Astronomers have uncovered 31 of the oldest known quasars, including the two earliest ever detected, shining from a time when the universe w
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